What color is #3F3939?

#3F3939 is a dark gray known as Eclipse. It belongs to the gray family of colors.

What is the RGB value of Eclipse?

The RGB value is 63, 57, 57: 63 red, 57 green and 57 blue on a 0 to 255 scale.

What is the complementary color of Eclipse?

The complementary color is #393F3F, found by rotating the hue 180° on the color wheel.

Is black or white text better on #3F3939?

White text. Black text has a contrast ratio of 1.86:1 and white text 11.32:1. WCAG asks for at least 4.5:1 for normal text.

Eclipse color: hex code #3F3939

#3F3939 rgb(63, 57, 57)

Shades of gray

Eclipse has the hex code #3F3939. It is a dark gray.

In the RGB color model it is made of 24.7% red, 22.4% green and 22.4% blue (63, 57, 57).

Its hue angle is 0°, with 5% saturation and 24% lightness. For print, the CMYK equivalent is 0% cyan, 10% magenta, 10% yellow and 75% black.

White text is the more readable choice on this background (contrast 11.32:1).

Eclipse (#3F3939) color codes

HEX	`#3F3939`
RGB	`rgb(63, 57, 57)`
RGB percent	`rgb(24.7%, 22.4%, 22.4%)`
HSL	`hsl(0, 5%, 24%)`
HSV / HSB	`hsv(0, 10%, 25%)`
CMYK	`cmyk(0%, 10%, 10%, 75%)`
CIE LAB	`lab(24.57, 2.61, 0.95)`
CIE LCH	`lch(24.57, 2.78, 19.93)`
CIE XYZ	`xyz(4.251, 4.278, 4.472)`
Decimal	`4143417`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with Eclipse, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #3F3939	Ratio	AA	AAA	AA large
Sample text	1.86:1	Fail	Fail	Fail
Sample text	11.32:1	Pass	Pass	Pass

#3F3939 as text on	Ratio	AA	AAA	AA large
Sample text	11.32:1	Pass	Pass	Pass
Sample text	1.86:1	Fail	Fail	Fail

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #3F3939 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #3f3939; }
.text { color: #3f3939; }
.border { border: 2px solid #3f3939; }
.transparent { background-color: rgb(63 57 57 / 50%); }
.gradient { background: linear-gradient(to right, #3f3939, #3f3c39); }

Background

Text color

Border

Similar colors

Closest common color name: Graphite.

See #3F3939 on its hex code page

Questions

What color is #3F3939?: #3F3939 is a dark gray known as Eclipse. It belongs to the gray family of colors.
What is the RGB value of Eclipse?: The RGB value is 63, 57, 57: 63 red, 57 green and 57 blue on a 0 to 255 scale.
What is the complementary color of Eclipse?: The complementary color is #393F3F, found by rotating the hue 180° on the color wheel.
Is black or white text better on #3F3939?: White text. Black text has a contrast ratio of 1.86:1 and white text 11.32:1. WCAG asks for at least 4.5:1 for normal text.